Class: Crabfarm::TransitionService

Inherits:
Object
  • Object
show all
Defined in:
lib/crabfarm/transition_service.rb

Defined Under Namespace

Classes: DecoratorChain

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_context) ⇒ TransitionService

Returns a new instance of TransitionService.



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# File 'lib/crabfarm/transition_service.rb', line 23

def initialize(_context)
  @context = _context
end

Instance Attribute Details

#document ⇒ Object (readonly)

Returns the value of attribute document.



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# File 'lib/crabfarm/transition_service.rb', line 21

def document
  @document
end

#navigator ⇒ Object (readonly)

Returns the value of attribute navigator.



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# File 'lib/crabfarm/transition_service.rb', line 21

def navigator
  @navigator
end

Class Method Details

.current_decorator ⇒ Object 



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# File 'lib/crabfarm/transition_service.rb', line 13

def self.current_decorator
  @decorator
end

.transition(_context, _name, _params = {}) ⇒ Object 



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# File 'lib/crabfarm/transition_service.rb', line 17

def self.transition(_context, _name, _params={})
  self.new(_context).transition(_name, _params)
end

.with_navigator_decorator(_decorator) ⇒ Object 



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# File 'lib/crabfarm/transition_service.rb', line 4

def self.with_navigator_decorator(_decorator)
  @decorator = DecoratorChain.new @decorator, _decorator
  begin
    yield
  ensure
    @decorator = @decorator.base
  end
end

Instance Method Details

#transition(_name, _params = {}) ⇒ Object 



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# File 'lib/crabfarm/transition_service.rb', line 27

def transition(_name, _params={})
  navigator_class = if _name.is_a? String or _name.is_a? Symbol
    load_class_from_uri _name
  else _name end

  @context.prepare
  @navigator = navigator_class.new @context, _params
  @navigator = current_decorator.decorate @navigator unless current_decorator.nil?

  @document = @navigator.run
  @document = @document.as_json if @document.respond_to? :as_json

  self
end